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/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "GraphicsLayerUpdater.h"
#include "DisplayRefreshMonitorManager.h"
#include "GraphicsLayer.h"
namespace WebCore {
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
GraphicsLayerUpdater::GraphicsLayerUpdater(GraphicsLayerUpdaterClient& client, PlatformDisplayID displayID)
: m_client(client)
{
DisplayRefreshMonitorManager::sharedManager().registerClient(*this);
DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, *this);
DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(*this);
}
#else
GraphicsLayerUpdater::GraphicsLayerUpdater(GraphicsLayerUpdaterClient&, PlatformDisplayID)
{
}
#endif
GraphicsLayerUpdater::~GraphicsLayerUpdater()
{
// ~DisplayRefreshMonitorClient unregisters us as a client.
}
void GraphicsLayerUpdater::scheduleUpdate()
{
if (m_scheduled)
return;
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(*this);
#endif
m_scheduled = true;
}
void GraphicsLayerUpdater::screenDidChange(PlatformDisplayID displayID)
{
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, *this);
#else
UNUSED_PARAM(displayID);
#endif
}
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
void GraphicsLayerUpdater::displayRefreshFired(double timestamp)
{
UNUSED_PARAM(timestamp);
m_scheduled = false;
m_client.flushLayersSoon(*this);
}
#endif
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
RefPtr<DisplayRefreshMonitor> GraphicsLayerUpdater::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
{
return m_client.createDisplayRefreshMonitor(displayID);
}
#endif
} // namespace WebCore
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